National Museum of Nuclear Science & History
Seymour Ratner was a staff worker at Los Alamos during the Manhattan Project.
Julian N. Bernacchi had three main assignments in the Manhattan Project. The most significant was as the Security Officer of Dr.
Vera Williams was in charge of the housing office at Los Alamos during the Manhattan Project. The wife of physicist John Williams, she also helped organize a maid service to help with housework and childcare.
Patricia Fallin was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.